He adds that the newer version has a shorter launch time, better deterrent capability, and that it is a two-stage rocket using solid fuel that is highly maneuverable.

VOA: standard.2009.12.18

For the adult learner, the technology has the capability of freeing us in terms of time and space.

对成年学习者而言，技术能够让我们免受,时间和空间的限制。

麻省理工公开课 - 媒体、教育、市场课程节选

For the adult learner, the technology has the capability of freeing us in terms of time and space.

对成年学习者而言，技术能够让我们免受,时间和空间的限制。

麻省理工公开课 - 媒体、教育、市场课程节选